Take the challenge of climate change. In just eight years, we’ve halved our dependence on foreign oil, we doubled our renewable energy, we led the world to an agreement that has the promise to save this planet.

说说气候变化。不足八年间，我们对外国石赖减半，可再生能源翻倍，我们领导世界达成协议，承诺拯救这个行星。

A problem shared is a problem halved, but Eve can't always help.

将烦恼与别人分享，烦恼就少了一半。不过伊芙并不总能解决问题。

So you can say, right, is halved, was halved, were halved, are halved.

所以你可以说 is halved，was halved，were halved，are halved。

And of course, it literally halves the cost of the fence.

当然，这能削减围栏一半成本。

Paris is attempting to take those sustainability efforts to another level by halving the carbon emissions of its Summer Games predecessors, which have emitted an average of 3.5 million tonnes of carbon dioxide.

巴黎正试图将这些可持续发展努力提升到另一个水平，将往届夏季奥运会碳排放量减半。往届夏季奥运会平均二氧化碳排放量为350万吨。

After just five days out of the ground, that pungent truffle smell will have halved.

离开土壤仅仅5天后，那股冲鼻松露味就会减半。

In some long-fished areas, it has halved again since then.

在一些长期捕鱼区域，这个数量自那以后又减少了一半。

The price of Brent crude halved between March 5th and 18th, to $25 a barrel.

3月5日到18日之间，布伦特原价格下跌了一半，至每桶25美元。

He has sold 78 businesses and almost halved the bank's exposure to America.

他已经出售了78项业务，并将对美业务规模收缩近50%。

The sentence would have been 87 years, but was halved because she pleaded guilty.

刑期本应是87年，由于她认罪刑期被减了一半。

Liam happens to run a lot, so his iron requirements are higher, but in the last 3 months of his diet experiment, despite having taken supplements and using other strategies for increasing his iron, his iron level halved...again.

利亚姆经常跑步，所以他对铁需求量，是在他饮食实验最后三个月里，尽管他服用了补充剂和其他方法来增加他铁含量，他铁含量还是减少了一半。

The opposition claims primary school pupils doing at least two hours of sport a week have nearly halved.

反对者声称，每周至少进行两小时体育运动小学生减少了近一半。

President Biden committed the US to halving carbon emissions by the end of the decade.

拜登总统承诺，美国将在2020年前将碳排放量减少一半。

In the period from 1996 to 2017, we almost halved the number of new HIV infections, and for the millions of people who still live with the virus, ARV treatments enable most to lead long and healthy lives.

在1996年至2017年期间，新艾滋病毒感染人数几乎下降了一半，对于数百万感染了艾滋病毒人来说，抗逆转录病毒疗法使多数人能够过上长寿和健康生活。

Upon becoming head of the Fed, his salary was halved.

他薪水在其出任美联储主席时缩减了一半。

The number of people living on less than $1.25 a day has halved.

每天生活费低于1.25美金人数已经减少了一半。

Studies have shown that moderate aerobic exercise- 30 to 45 minutes per day of activities like walking, biking or running- can more than halve your risk for respiratory infections, partly by increasing circulation of immune cells.

研究表明，适度有氧运动——也即每天坚持30--45分钟活动，如散步、骑车或跑步——能够将呼吸道感染几率缩小一半，部分通过加快免疫细胞循环。

If you're frustrated because your internet speed has halved since everyone is now working at home, call the phone company and tell them that you're sick of it.

如果你因为因为每个人都在家工作网速过慢而感到恼火，那就致电电话公司，告诉他们你很讨厌这种情况。

In fact, according to The Telegraph, significant research in 2018 found that " The number of baby girls named Alexa has more than halved last year compared with 2017 because of the increased use of the Amazon technology assistant."

事实上，据《每日电讯报》报道，2018年一项重要研究发现，“由于越来越多地使用亚马逊技术助手Alexa，去年取名为Alexa女婴数量比2017年减少了一半以上。”

Government sources insist the matter's still under discussion, but the news comes as this year's allocation of more than 7 billion euros is already set to nearly halve next year as the fractious coalition government seeks savings.

政府消息人士坚称，此事仍在讨论中，因为不安分联合政府寻求节省开支，今年超过70亿欧元拨款明年将被减至近一半。